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» Transaction Time Support Inside a Database Engine
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VLDB
2004
ACM
161views Database» more  VLDB 2004»
14 years 7 months ago
Supporting top-k join queries in relational databases
Ranking queries produce results that are ordered on some computed score. Typically, these queries involve joins, where users are usually interested only in the top-k join results....
Ihab F. Ilyas, Walid G. Aref, Ahmed K. Elmagarmid
TKDE
2002
112views more  TKDE 2002»
13 years 7 months ago
Multiversion Locking Protocol with Freezing for Secure Real-Time Database Systems
Database systems for real-time applications must satisfy timing constraints associated with transactions. Typically, a timing constraint is expressed in the form of a deadline and ...
Chanjung Park, Seog Park, Sang Hyuk Son
ASPLOS
1998
ACM
13 years 12 months ago
Performance of Database Workloads on Shared-Memory Systems with Out-of-Order Processors
Database applications such as online transaction processing (OLTP) and decision support systems (DSS) constitute the largest and fastest-growing segment of the market for multipro...
Parthasarathy Ranganathan, Kourosh Gharachorloo, S...
ADC
2008
Springer
156views Database» more  ADC 2008»
14 years 2 months ago
Interactive Mining of Frequent Itemsets over Arbitrary Time Intervals in a Data Stream
Mining frequent patterns in a data stream is very challenging for the high complexity of managing patterns with bounded memory against the unbounded data. While many approaches as...
Ming-Yen Lin, Sue-Chen Hsueh, Sheng-Kun Hwang
RTDB
2001
83views more  RTDB 2001»
13 years 9 months ago
Updates and View Maintenance
A database system contains base data items which record and model a physical, real world environment. For better decision support, base data items are summarized and correlated to...
Ben Kao, Kam-yiu Lam, Brad Adelberg